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Class Information
Number: 4/499
Name: Baths, closets, sinks, and spittoons > Pool type > Accessory > Covering > Air inflatable or supported
Description: Subject matter wherein a gaseous fluid is utilized to shape, strengthen, or keep the cover above the surface of the water.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6694539 |
Bubble ease |
Feb. 24, 2004 |
| 6637046 |
Heat retaining swimming pool cover |
Oct. 28, 2003 |
| 6574804 |
Safety and life-saving device for aquatic environment |
Jun. 10, 2003 |
| 6539559 |
Anti-litter float for a swimming pool and method of using anti-litter float for a swimming pool |
Apr. 1, 2003 |
| 6523190 |
Heat retaining swimming pool cover |
Feb. 25, 2003 |
| 6497533 |
Drainage system with membrane cover and method for covering wastewater reservoir |
Dec. 24, 2002 |
| 6408453 |
Inflatable swimming pool assembly |
Jun. 25, 2002 |
| 6374433 |
Moveable hot tub cover structure |
Apr. 23, 2002 |
| 6357964 |
Drainage system with membrane cover and method for covering wastewater reservoir |
Mar. 19, 2002 |
| 6286155 |
Pool cover having integral reflective solar heating and insulative properties |
Sep. 11, 2001 |
| 6286157 |
Inflatable cover for swimming pools |
Sep. 11, 2001 |
| 6209150 |
Inflatable Sun shade for pool |
Apr. 3, 2001 |
| 6119284 |
Floating pool cover support |
Sep. 19, 2000 |
| 6052843 |
Float-retaining covering device |
Apr. 25, 2000 |
| 5922421 |
Combined vapor barrier and water drain assembly for covers of heated water tubs and pools |
Jul. 13, 1999 |
| 5901503 |
Swimming pool dome |
May. 11, 1999 |
| 5860413 |
Pool cover |
Jan. 19, 1999 |
| 5555877 |
Cover for pond used to collect solar radiation |
Sep. 17, 1996 |
| 5511536 |
Solar-type pool cover |
Apr. 30, 1996 |
| 5381634 |
Covering structure particularly for surfaces having a marked longitudinal extension |
Jan. 17, 1995 |
| 5373590 |
Spa cover |
Dec. 20, 1994 |
| 5367722 |
Spa and tub cover |
Nov. 29, 1994 |
| 5293652 |
Swimming pool winterizing method and apparatus |
Mar. 15, 1994 |
| 5246308 |
Fluid storage system and methods of installation |
Sep. 21, 1993 |
| 5144704 |
Swimming pool cover with multiple air compartments |
Sep. 8, 1992 |
| 4953239 |
Inflatable pool cover |
Sep. 4, 1990 |
| 4851275 |
Covering used to protect water conditions of nursery pool from damage by acid rain and extraordinary temperatures |
Jul. 25, 1989 |
| 4847925 |
Cover for a pool, hot tub or the like |
Jul. 18, 1989 |
| 4825479 |
Inflatable swimming pool cover |
May. 2, 1989 |
| 4790037 |
Swimming pool cover assembly |
Dec. 13, 1988 |
| 4718130 |
Interdome enclosure system for a heated swimming pool |
Jan. 12, 1988 |
| 4685254 |
Swimming pool cover support, covered swimming pool and method of covering a swimming pool |
Aug. 11, 1987 |
| 4672691 |
Bulk volume fermenter |
Jun. 16, 1987 |
| 4626005 |
Fluid-tight flexible connection between hollow sections |
Dec. 2, 1986 |
| 4606083 |
Tub cover |
Aug. 19, 1986 |
| 4601072 |
Swimming pool cover |
Jul. 22, 1986 |
| 4597113 |
Inflatable reservoir for containing a liquid, more especially an inflatable swimming pool, and a method for filling same |
Jul. 1, 1986 |
| 4582048 |
Floating blanket barrier utilizing coverites |
Apr. 15, 1986 |
| 4577352 |
Extruded section for swimming pool rollable cover |
Mar. 25, 1986 |
| 4547919 |
Inflatable article with reforming and reinforcing structure |
Oct. 22, 1985 |
| 4517957 |
Inflation supported solar collector |
May. 21, 1985 |
| 4471500 |
Self-rolling swimming pool cover |
Sep. 18, 1984 |
| 4467786 |
Solar heating of water utilizing coverites |
Aug. 28, 1984 |
| 4457119 |
Swimming pool coping |
Jul. 3, 1984 |
| 4426995 |
Solar quilt |
Jan. 24, 1984 |
| 4385407 |
Floatable pool cover |
May. 31, 1983 |
| 4364131 |
Liquid reservoir |
Dec. 21, 1982 |
| 4313421 |
Solar heating apparatus for swimming pools |
Feb. 2, 1982 |
| 4285078 |
Automatic swimming pool cover |
Aug. 25, 1981 |
| 4256087 |
Swimming pool solar heater |
Mar. 17, 1981 |
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